Malicious PDF — malware analysis report

Static analysis result for SHA-256 11ce5b33cc518a59…

MALICIOUS

PDF

71.7 KB Created: 2021-02-28 05:57:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 8f41eb47b16875f981c142d12b4b6720 SHA-1: ee288484d562c2e3b834fe490bd5ccae315f4716 SHA-256: 11ce5b33cc518a59bddc8f580420ef5ddbfcd34b47131c030fc31decacb7474b
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://druttle.ru/award?keyword=how+to+sync+marantec+garage+door+opener PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4484995/normal_5fc6b33978b26.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369494/normal_5fe3ae5dd7744.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457330/normal_602c38a4e0778.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469852/normal_6009e6c216ab6.pdfIn PDF document text
    • http://gevixadita.22web.org/gozasarejobonasu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383804/normal_602c820f7a9d4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420602/normal_5fdddafbc207c.pdfIn PDF document text
    • http://fosavaxenu.mypressonline.com/vedomaken.pdfIn PDF document text
    • https://cdn.sqhk.co/fatepotax/giggh4W/border_crossing_into_canada.pdfIn PDF document text
    • https://cdn.sqhk.co/vedasukuki/1HWijje/tuvaj.pdfIn PDF document text
    • https://cdn.sqhk.co/joduragenep/hhghhcQ/vaxexofifajeribuvupe.pdfIn PDF document text
    • http://jotelefaxomawut.22web.org/liverpool_team_sheet_vs_ac_milan_2005.pdfIn PDF document text
    • http://riwotivadejud.sportsontheweb.net/pizetelaxakozodemibasaga.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375708/normal_6034fd632ae6c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410983/normal_603657126e84d.pdfIn PDF document text
    • https://cdn.sqhk.co/futevanu/HhfheGn/vevutasizurapa.pdfIn PDF document text
    • https://cdn.sqhk.co/nufanusiki/Oidqhcf/mapesuwegirupabas.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jasunusemoki.onlinewebshop.net/pixhawk_blheli_esc_calibration.pdfIn PDF document text
    • http://ferenekukosazu.epizy.com/naliketaretidanumilozod.pdfIn PDF document text
    • http://vigavanoxe.onlinewebshop.net/lasoxaripuxalavake.pdfIn PDF document text
    • http://pilosowopovobat.epizy.com/what_is_burger_kings_veggie_burger_made_out_of.pdfIn PDF document text
    • http://tenowuwewid.epizy.com/income_guidelines_for_wic_in_ky.pdfIn PDF document text
    • http://tisevor.rf.gd/26138177861.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000db56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB56 5516 bytes
SHA-256: 6f2beecaa4161e23d8b8a48869d2e6e2fe6de0496ca2350d5c88502d64b6b5d9
font_01_sfnt_off0000ee19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE19 10428 bytes
SHA-256: a04bd01abf4ce7d2c715bd555d5910418ec3a40c37e4f4a0067b9c791209fe0a

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